Upanishads are verses from the Vedas that have been compiled as independent and complete sets. Traditionally the verses in each Veda have been classified as Mantra portion or Brahmana portion. Within the Brahmana portion, a further sub-classification of verses has been done, namely Brahmana-Aranyaka-Upanishad. Upanishad means essential thought or guiding principle. The Mandukya Upanishad is attributed to the Atharva Veda. It gives a mathematical picture...